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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the formula for calculating resistance?
π‘ Hint: Think about the factors that affect resistance.
Question 2
Easy
Name a type of light bulb that uses a filament.
π‘ Hint: Remember the type that generates light by heating.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What does a resistor do?
- Increases current
- Decreases current
- Converts light
π‘ Hint: Consider the function of resistors in controlling electricity.
Question 2
True or False: An open switch has zero resistance.
- True
- False
π‘ Hint: Recall the basic characteristics of switches.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A circuit with a bulb and a resistor is powered by a 12V source. If the total resistance is 180Ξ©, what is the current flowing through the circuit?
π‘ Hint: Remember the formula for current.
Question 2
You have three resistors: 50Ξ©, 100Ξ©, 150Ξ©. How would you wire them in parallel to achieve the total equivalent resistance?
π‘ Hint: Use the parallel resistance formula correctly.
Challenge and get performance evaluation